Timing of postoperative infections after colectomy: evidence from NSQIP

Matthew Z Wilson1, Peter W Dillon1, David B Stewart1

  • 1Department of Surgery, The Pennsylvania State University, College of Medicine, 500 University Drive, Hershey, PA 17033, USA.

Insights

Risk factors for surgical site infections after colon surgery vary between inpatient and postdischarge periods. Obesity and smoking significantly increase infection risk, especially after patients leave the hospital.

Area of Science:

  • Surgical outcomes research
  • Infectious disease epidemiology
  • Colorectal surgery

Background:

  • Infectious complications are a concern following colon surgery.
  • Understanding risk factors is crucial for patient management.

Purpose of the Study:

  • To compare risk factors for infectious complications during inpatient (IP) and postdischarge (PD) periods in colon surgery patients.
  • To identify specific risk factors that change in significance between IP and PD phases.

Main Methods:

  • Analysis of partial colon resection patients from the National Surgical Quality Improvement Program (2005-2010).
  • Identification of risk factors for superficial surgical site infections (SSI), deep SSI (D-SSI), and urinary tract infections (UTIs).
  • Comparison of risk factors across IP and PD care phases.

Main Results:

  • Obesity significantly increased the risk of superficial SSI and D-SSI in both IP and PD periods, with higher odds in the PD phase.
  • Smoking was associated with D-SSI, with a notably increased risk in the PD period compared to the IP period.
  • Risk factors for infections were found to differ between the inpatient and postdischarge phases of care.

Conclusions:

  • The risk factors contributing to infectious complications in colon surgery patients are distinct for inpatient and postdischarge periods.
  • Earlier hospital discharge may lead to a shift in the recognition of surgical site infections to the outpatient setting.
  • This highlights the need for continued surveillance and management of infections in the postdischarge period.
Abstract

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